Test that GraphQL QueryDSL auto-config backs off without Query DSL

See gh-34974

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/build.gradle

@@ -217,7 +217,6 @@ dependencies {
 	testImplementation("com.ibm.db2:jcc")
 	testImplementation("com.jayway.jsonpath:json-path")
 	testImplementation("com.mysql:mysql-connector-j")
-	testImplementation("com.querydsl:querydsl-core")
 	testImplementation("com.squareup.okhttp3:mockwebserver")
 	testImplementation("com.sun.xml.messaging.saaj:saaj-impl")
 	testImplementation("io.projectreactor:reactor-test")

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/data/GraphQlQuerydslAutoConfigurationTests.java

@@ -23,6 +23,7 @@
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.graphql.Book;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration;
+import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -33,6 +34,7 @@
 import org.springframework.graphql.test.tester.ExecutionGraphQlServiceTester;
 import org.springframework.graphql.test.tester.GraphQlTester;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
@@ -65,6 +67,13 @@ void shouldRegisterDataFetcherForQueryDslRepositories() {
 		});
 	}
 
+	@Test
+	void shouldBackOffWithoutQueryDsl() {
+		this.contextRunner.withClassLoader(new FilteredClassLoader("com.querydsl.core"))
+			.run((context) -> assertThat(context).doesNotHaveBean("querydslRegistrar")
+				.doesNotHaveBean(GraphQlQuerydslAutoConfiguration.class));
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	static class MockRepositoryConfig {
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/data/GraphQlReactiveQuerydslAutoConfigurationTests.java

@@ -22,6 +22,7 @@
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.graphql.Book;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration;
+import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -32,6 +33,7 @@
 import org.springframework.graphql.test.tester.ExecutionGraphQlServiceTester;
 import org.springframework.graphql.test.tester.GraphQlTester;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
@@ -64,6 +66,13 @@ void shouldRegisterDataFetcherForQueryDslRepositories() {
 		});
 	}
 
+	@Test
+	void shouldBackOffWithoutQueryDsl() {
+		this.contextRunner.withClassLoader(new FilteredClassLoader("com.querydsl.core"))
+			.run((context) -> assertThat(context).doesNotHaveBean("querydslRegistrar")
+				.doesNotHaveBean(GraphQlReactiveQuerydslAutoConfiguration.class));
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	static class MockRepositoryConfig {